860981 has 8 divisors (see below), whose sum is σ = 972000. Its totient is φ = 755440.

The previous prime is 860971. The next prime is 861001. The reversal of 860981 is 189068.

860981 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 860981 - 2⁶ = 860917 is a prime.

It is a super-2 number, since 2×860981² = 1482576564722, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (860911) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1031 + ... + 1668.

It is an arithmetic number, because the mean of its divisors is an integer number (121500).

2⁸⁶⁰⁹⁸¹ is an apocalyptic number.

It is an amenable number.

860981 is a deficient number, since it is larger than the sum of its proper divisors (111019).

860981 is a wasteful number, since it uses less digits than its factorization.

860981 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2739.

The product of its (nonzero) digits is 3456, while the sum is 32.

The square root of 860981 is about 927.8906185537. The cubic root of 860981 is about 95.1329993106.

The spelling of 860981 in words is "eight hundred sixty thousand, nine hundred eighty-one".